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#include "systemtray.h"
#include <QtWidgets/QApplication>
#include <QSharedMemory>
#include <QDebug>
#include <csignal>
static SystemTray *globalTray = nullptr;
void handleSignal(int signum)
{
if (signum == SIGUSR1)
globalTray->onSuspend();
}
bool IsInstanceAlreadyRunning(QSharedMemory &memoryLock) {
if (!memoryLock.create(1)) {
qDebug() << "Failed to create shared memory lock, an instance of redshift-qt might be already running\n"
"or it was not terminated correctly. Trying to clean up the lock...";
memoryLock.attach();
memoryLock.detach();
if (!memoryLock.create(1)) {
qDebug() << "An insance of redshift-qt is already running, exiting...";
return true;
}
}
return false;
}
int main(int argc, char *argv[])
{
QStringList argsl = QStringList();
bool varg = false;
for (int i = 1; i < argc; ++i){
if(std::string(argv[i]) == "-h" || std::string(argv[i]) == "--help"){
qInfo() << "Please run `redshift -h` for help output.";
exit(-1);
}
if(std::string(argv[i]) == "-v")
varg = true;
argsl.append(argv[i]);
}
if(!varg)
argsl.append("-v");
Q_INIT_RESOURCE(resources);
QSharedMemory sharedMemoryLock("redshift-qt-lock");
if (IsInstanceAlreadyRunning(sharedMemoryLock))
return -1;
QApplication a(argc, argv);
a.setApplicationName("Redshift Qt");
QApplication::setQuitOnLastWindowClosed(false);
SystemTray tray;
QApplication::connect(&a, &QApplication::aboutToQuit, &tray, &SystemTray::StopRedshift);
if (!tray.CreateIcon())
return 1;
if (!tray.StartRedshift(argsl))
return 1;
globalTray = &tray;
signal(SIGUSR1, handleSignal);
return a.exec();
}
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